feat: Add Sticky Date for Improved Message Date Visibility

[abhipatel0211]

Proposed changes

Added a sticky date feature to improve user experience in Rocket.Chat. Previously, users had to scroll to the top to identify the date of a message. With this enhancement, the date now remains sticky at the top, providing users with a quick reference point for message dates.

Screenshots or Videos

screencast-www.google.com-2023.12.23-11_55_32.webm

Steps to test or reproduce

1. Open a chat.
2. Scroll through messages.
3. Observe the sticky date at the top for easy reference.

Further comments

This enhancement addresses the issue where users had difficulty identifying message dates. The sticky date feature is implemented to enhance user convenience by providing a persistent reference point for message dates.

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Latest commit: 75ad089

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[CLAassistant]

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[juliajforesti]

Hey @abhipatel0211!

I'm closing this PR because we are already working on a solution in this PR, using a new component (Bubble) from fuselage.

But we appreciate your contribution! 🚀